治疗心痛气滞血瘀证，应首选
A．栝蒌薤白白酒汤
B．栝蒌薤白半夏汤
C．血府逐瘀汤
D．八珍汤
E．天王补心丹
参考答案：C
What day is it today?[ ]
A. It's Sunday.
B. I like Monday.
C. It's you.
衡量一个测试系统的基本指标有（）、稳定性、测量范围、传递特性.
